Bird feeder



FIG. 1 is an enlarged perspective view showing the new design;

FIG. 2 is a side elevational view thereof, the opposite side being amirror image of the side shown;

FIG. 3 is a is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a back elevational view thereof.

The ornamental design for a bird feeder, as shown and described herein.